Mojo: Make a public test_support shared library.

mojo/public/tests/test_support_private.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_PUBLIC_TESTS_TEST_SUPPORT_PRIVATE_H_
+#define MOJO_PUBLIC_TESTS_TEST_SUPPORT_PRIVATE_H_
+
+#include "mojo/public/tests/test_support.h"
+
+namespace mojo {
+namespace test {
+
+// Implementors of the test support APIs can use this interface to install their
+// implementation into the mojo_test_support dynamic library.
+class MOJO_TEST_SUPPORT_EXPORT TestSupport {
+ public:
+  virtual ~TestSupport();
+
+  static void Init(TestSupport* test_support);
+  static TestSupport* Get();
+  static void Reset();
+
+  virtual void LogPerfResult(const char* test_name,
+                             double value,
+                             const char* units) = 0;
+};
+
+}  // namespace test
+}  // namespace mojo
+
+#endif  // MOJO_PUBLIC_TESTS_TEST_SUPPORT_PRIVATE_H_